The Trump administration is pushing to roll back stricter soot pollution limits that were implemented by the Biden administration. The Environmental Protection Agency (EPA) filed a court motion claiming that the previous administration exceeded its authority when it tightened air quality standards in 2024. The EPA's new leadership, under Lee Zeldin, argues that the tougher standards were not introduced following the required procedures of the Clean Air Act. The Biden administration had reduced acceptable soot levels significantly, citing potential health benefits. Environmental advocates have condemned this reversal, stating it prioritizes corporate interests over public health and safety. They warn that relaxing these standards could lead to increased health risks for communities across the country.